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參數資料
| 型號： | AD7724 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Dual CMOS Modulators |
| 中文描述： | 調制器雙通道CMOS |
| 文件頁數： | 3/14頁 |
| 文件大小： | 552K |
| 代理商： | AD7724 |
REV. A
–3–
AD7724
Parameter
A Version
Unit
Test Conditions/Comments
LOGIC OUTPUTS
V
OH
, Output High Voltage
V
OL
, Output Low Voltage
DVDD1 – 0.2
0.4
V min
V max
|I
OUT
|
≤
200
μ
A
|I
OUT
|
≤
1.6 mA
POWER SUPPLIES
AVDD/DVDD
DVDD1
I
DD
(Total for AVDD, DVDD)
Active Mode
Standby Mode
4.75/5.25
2.85/5.25
V min/V max
V min/V max
Digital Inputs Equal to 0V or DVDD
60
20
mA max
μ
A max
NOTES
1
Operating temperature range is as follows:A Version: –40
°
C to +85
°
C.
2
Gain Error excludes reference error. The modulator gain is calibrated wrt the voltage on the REF2 pin.
3
Measurement Bandwidth = 0.5
×
f
; Input Level = –0.05 dB.
4
When a square wave clock is used, the dynamic specifications will degrade by 1 dB typically.
Specifications subject to change without notice.
BIT STREAM
94.25kHz
FILTER 1
120dB
304.687kHz
BANDWIDTH = 94.25kHz
TRANSITION = 304.687kHz
ATTENUATION = 120dB
COEFFICIENTS = 384
DECIMATE
BY 32
FILTER 2
16-BIT
OUTPUT
94.25kHz
90dB
108.874kHz
BANDWIDTH = 94.25kHz
TRANSITION = 108.874kHz
ATTENUATION = 90dB
COEFFICIENTS = 151
DECIMATE
BY 2
Figure 1. Digital Filter (Consists of Two FIR Filters). This Filter is implemented on the AD7722.
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| AD7724ACPZ | 功能描述:IC MOD SIGMA-DELTA DUAL 制造商:analog devices inc. 系列:* 零件狀態:上次購買時間 標準包裝:1 |
| AD7724ACPZ-REEL | 功能描述:IC MOD SIGMA-DELTA DUAL 制造商:analog devices inc. 系列:* 零件狀態:上次購買時間 標準包裝:1 |
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| AD7724ASTZ | 功能描述:IC MOD SIGMA-DELTA DUAL 48LQFP RoHS:是 類別:集成電路 (IC) >> 數據采集 - ADCs/DAC - 專用型 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:50 系列:- 類型:數據采集系統（DAS） 分辨率（位）:16 b 采樣率（每秒）:21.94k 數據接口:MICROWIRE?，QSPI?，串行，SPI? 電壓電源:模擬和數字 電源電壓:1.8 V ~ 3.6 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:40-WFQFN 裸露焊盤 供應商設備封裝:40-TQFN-EP（6x6） 包裝:托盤 |
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